projects:paneldrive:start
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projects:paneldrive:start [2021/05/27 17:41] dwheele |
projects:paneldrive:start [2021/05/27 17:43] (current) dwheele |
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| - | 15x20 matrix of LEDs, 35 mm centers. | + | 15x20 matrix of LEDs, 35 mm centers. This requires 10 meters worth. https:// |
| Raspberry Pi Buster on 192.168.0.7 has an additional driver circuit board, with a 4-conductor wire to connect to the matrix. | Raspberry Pi Buster on 192.168.0.7 has an additional driver circuit board, with a 4-conductor wire to connect to the matrix. | ||
| - | * Level Shifter - SN74AHCT125N (QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS) | + | * Level Shifter - SN74AHCT125N (QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS). This allows the 5V LEDs data lines to be driven by the Raspberry Pi 3.3V outputs. |
| {{ : | {{ : | ||
projects/paneldrive/start.1622137301.txt.gz · Last modified: 2021/05/27 17:41 by dwheele
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